User manual

ManualsBrandsGW INSTEK ManualsLaboratory & Bench PSUs19" bench PSU (adjustable voltage) 0 - 40 Vdc 0 - 38 A 1 x Ethernet, RS232, RS485, USB remote con

ANALOG CONTROL

119

Connection- alt.

shielding

If the wire shield needs to be grounded at the

voltage source (EXT-V), then the shield cannot

also be grounded at the negative (-) terminal

output of the PSU power supply. This would

short the output.

PSUEXT-V

Analog

connector

＋

－

23

22

Output

Terminal

2 core shielded

wire or twisted

pair

 Pin23 → EXT-V(-)

 Pin22 → EXT-V(+)

 Wire shield → EXT-V ground (GND)

Panel operation

1. Connect the external voltage according to the

connection diagrams above.

2. Set the F-90 power on

configuration setting to 1 (CV

control – Ext voltage).

Page 111

 Be sure to cycle the power after the power

on configuration has been set.

3. Press the Function key and confirm

the new configuration settings (F-

90=1).

Function

4. Press the Output key. The

voltage can now be

controlled with the External

voltage.

Output